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Finding the Fourth Proportional to 190,375.08, 285,488.76 and 101,580.12

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Solution

The fourth proportional to 190,375.08, 285,488.76 and 101,580.12 is: 152,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,375.08 : 285,488.76 = 101,580.12 : x
  2. Step 2: Convert to fraction form
    190,375.08/285,488.76 = 101,580.12/x
  3. Step 3: Cross multiply
    190,375.08x = 285,488.76 × 101,580.12
  4. Step 4: Simplify right side
    190,375.08x = 28,999,982,499.45
  5. Step 5: Solve for x
    x = 28,999,982,499.45/190,375.08
  6. Step 6: Final answer
    x = 152,330.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.